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dk_ch has helped students times in
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dk_ch

I am a retired person interested in Sciences. I am very glad in joining the community of Socratic.org.


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Teaching the World! On Fire! Trophy Case! Bold Learner! Collaborator! Friendly Face!
Level 17 in Trigonometry Level 17 in Physics Level 16 in Chemistry Level 14 in Algebra Level 12 in Geometry Level 10 in Organic Chemistry I Level 10 in Precalculus Level 7 in Calculus Level 2 in Statistics Level 2 in Prealgebra
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